const API_URL = '../api.php';
let allItems = [];
let currentAdminTab = 'critique';
let editingItemId = null;

document.addEventListener('DOMContentLoaded', () => {
    loadDashboardData();
    initModals();
    initForms();
});

async function loadDashboardData() {
    try {
        const res = await fetch(`${API_URL}?action=get_films`);
        if (!res.ok) throw new Error('Erreur de chargement');
        allItems = await res.json();
        renderAdminTable();
    } catch (error) {
        console.error("Erreur loadDashboardData:", error);
    }
}

function renderAdminTable() {
    const tbody = document.getElementById('admin-table-body');
    if (!tbody) return;
    tbody.innerHTML = '';
    
    const filtered = allItems.filter(item => item.type === currentAdminTab);
    const countLabel = document.getElementById('admin-count-label');
    if (countLabel) countLabel.textContent = `${filtered.length} élément(s)`;
    
    // BUG CORRIGÉ : f = > remplacé par f =>
    // Nettoyage des espaces parasites dans les balises HTML
    filtered.forEach(f => {
        const tr = document.createElement('tr');
        tr.innerHTML = `
            <td style="text-align:center;">
                <input type="checkbox" class="film-checkbox" value="${f.id}">
            </td>
            <td style="text-align:center;">
                ${f.poster ? `<img src="${f.poster}" class="thumb" alt="Affiche">` : '<div class="thumb-ph"><i class="ti ti-photo"></i></div>'}
            </td>
            <td><strong>${f.title}</strong></td>
            <td>${f.year || '-'}</td>
            <td>${f.director || '-'}</td>
            <td>${currentAdminTab === 'critique' ? `<span class="tbl-stars">${'★'.repeat(f.rating || 0)}</span>` : `<span class="badge-format">${f.format || '-'}</span>`}</td>
            <td>
                <div class="tbl-actions">
                    <button onclick="openEditModal('${f.id}')" title="Éditer"><i class="ti ti-edit"></i></button>
                    <button class="del" onclick="deleteSingleFilm('${f.id}')" title="Supprimer"><i class="ti ti-trash"></i></button>
                </div>
            </td>`;
        tbody.appendChild(tr);
    });
}

function toggleSelectAll(source) {
    document.querySelectorAll('.film-checkbox').forEach(cb => cb.checked = source.checked);
    updateBulkBar();
}

function updateBulkBar() {
    const checked = document.querySelectorAll('.film-checkbox:checked');
    const bulkBar = document.getElementById('bulk-actions-bar');
    const bulkCount = document.getElementById('bulk-count');
    if (checked.length > 0) {
        bulkBar.style.display = 'flex';
        bulkCount.textContent = checked.length;
    } else {
        bulkBar.style.display = 'none';
        const selectAll = document.getElementById('select-all-checkbox');
        if(selectAll) selectAll.checked = false;
    }
}

document.addEventListener('change', (e) => {
    if (e.target.classList.contains('film-checkbox')) {
        updateBulkBar();
    }
});

let pendingDeleteAction = null;
function showConfirmModal(actionFn) {
    pendingDeleteAction = actionFn;
    const modal = document.getElementById('confirm-modal');
    if(modal) modal.classList.add('open');
}

function closeConfirmModal() {
    const modal = document.getElementById('confirm-modal');
    if(modal) modal.classList.remove('open');
}

document.getElementById('confirm-btn')?.addEventListener('click', () => {
    if (pendingDeleteAction) pendingDeleteAction();
    closeConfirmModal();
});

async function executeBulkDelete() {
    showConfirmModal(async () => {
        const ids = Array.from(document.querySelectorAll('.film-checkbox:checked')).map(cb => cb.value);
        await fetch(`${API_URL}?action=bulk_delete`, {
            method: 'POST',
            headers: { 'Authorization': localStorage.getItem('token'), 'Content-Type': 'application/json' },
            body: JSON.stringify({ ids, type: currentAdminTab })
        });
        loadDashboardData();
        updateBulkBar();
    });
}

async function deleteSingleFilm(id) {
    showConfirmModal(async () => {
        await fetch(`${API_URL}?action=delete_film&id=${id}&type=${currentAdminTab}`, {
            method: 'DELETE',
            headers: { 'Authorization': localStorage.getItem('token') }
        });
        loadDashboardData();
    });
}

function switchAdminTab(tabName) {
    currentAdminTab = tabName;
    document.querySelectorAll('.tab-btn').forEach(b => b.classList.toggle('active', b.id === `btn-tab-${tabName}`));
    renderAdminTable();
}

// --- AJOUTS FONCTIONNELS MANQUANTS ---

function openEditModal(id) {
    const item = allItems.find(i => i.id == id);
    if (!item) return;
    
    editingItemId = id;
    const modal = document.getElementById('edit-modal');
    if (!modal) return;
    
    const setVal = (id, val) => { const el = document.getElementById(id); if (el) el.value = val || ''; };
    setVal('film-title', item.title);
    setVal('film-year', item.year);
    setVal('film-director', item.director);
    setVal('film-poster', item.poster);
    setVal('film-rating', item.rating);
    setVal('film-review', item.review);
    setVal('film-streaming', item.streaming);
    setVal('film-format', item.format);
    setVal('film-length', item.length);
    setVal('film-publisher', item.publisher);
    setVal('film-aspect-ratio', item.aspect_ratio);
    setVal('film-ean', item.ean_isbn13);
    setVal('film-discs', item.number_of_discs);
    setVal('film-description', item.description);
    
    modal.classList.add('open');
}

function initModals() {
    document.querySelectorAll('.modal-close, .btn-cancel').forEach(btn => {
        btn.addEventListener('click', (e) => {
            const overlay = e.target.closest('.overlay');
            if (overlay) overlay.classList.remove('open');
        });
    });
    document.querySelectorAll('.overlay').forEach(overlay => {
        overlay.addEventListener('click', (e) => {
            if (e.target === overlay) overlay.classList.remove('open');
        });
    });
}

function initForms() {
    const filmForm = document.getElementById('film-form');
    if (filmForm) {
        filmForm.addEventListener('submit', async (e) => {
            e.preventDefault();
            const formData = new FormData(filmForm);
            const data = Object.fromEntries(formData.entries());
            data.id = editingItemId;
            data.type = currentAdminTab;
            
            const action = editingItemId ? 'update_film' : 'add_film';
            await fetch(`${API_URL}?action=${action}`, {
                method: 'POST',
                headers: { 'Authorization': localStorage.getItem('token'), 'Content-Type': 'application/json' },
                body: JSON.stringify(data)
            });
            
            document.getElementById('edit-modal')?.classList.remove('open');
            editingItemId = null;
            loadDashboardData();
        });
    }

    const csvInput = document.getElementById('csv-file');
    if (csvInput) {
        csvInput.addEventListener('change', async (e) => {
            const file = e.target.files[0];
            if (!file) return;
            const formData = new FormData();
            formData.append('file', file);
            formData.append('type', currentAdminTab);
            
            await fetch(`${API_URL}?action=import_csv`, {
                method: 'POST',
                headers: { 'Authorization': localStorage.getItem('token') },
                body: formData
            });
            loadDashboardData();
        });
    }
}